Surf Forecasts:
How big are the waves at Porth Ceriad today (31 Aug):
- Morning surf: Morning surf (31 Aug, local time) - 3.5ft (1.0m), 8s period with SW swell.
- Afternoon surf: Afternoon surf (31 Aug, local time) - 3ft (0.9m), 9s period with SW swell.
- Evening surf: Evening surf (31 Aug, local time) - 2.5ft (0.8m), 9s period with W swell.
The current surf forecast for Porth Ceriad at 8AM is: 1.0m 8s primary swell from a Southwest direction (forecast issued at 12:00am August 31). An open ocean swell of 1.1m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Aug) | 3.5ft (1.0m) | 8s |
| Afternoon (31 Aug) | 3ft (0.9m) | 9s |
| Evening (31 Aug) | 2.5ft (0.8m) | 9s |
Table - waves today at Porth Ceriad. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 19mm), heaviest on Wed morning. Very mild (max 18°C on Wed morning, min 15°C on Sun night). Winds increasing (light winds from the WSW on Mon night, strong winds from the SSW by Wed morning). | ||||||||||||||||||||||||
Monday 31 | Tuesday 1 | Wednesday 2 | ||||||||||||||||||||||
1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | |
Swell Height Map | ||||||||||||||||||||||||
Wave Height (m) Direction Period (s) | SW 8 | WSW 8 | SW 8 | SW 8 | WSW 9 | SW 9 | WSW 9 | SW 8 | WSW 8 | SW 8 | SW 7 | SW 4 | SW 5 | SW 5 | SW 5 | SW 5 | WSW 5 | SW 5 | SW 6 | SW 6 | SW 6 | SW 7 | SW 6 | SW 7 |
Wave Graph | ||||||||||||||||||||||||
125 | 140 | 138 | 142 | 138 | 118 | 106 | 72 | 43 | 28 | 37 | 23 | 47 | 49 | 55 | 66 | 44 | 66 | 155 | 172 | 167 | 171 | 219 | 325 | |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 10:31PM4.67m | 10:49AM4.33m | 11:07PM4.61m | 11:27AM4.26m | 11:46PM4.43m | 12:07PM4.09m | ||||||||||||||||||
Low Tide | 5:39AM0.26m | 5:43PM0.44m | 6:11AM0.42m | 6:15PM0.60m | 6:44AM0.65m | 6:48PM0.80m | ||||||||||||||||||
— | 6:24 | — | — | — | — | — | — | — | 6:26 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — | |
— | — | — | — | — | — | 8:09 | — | — | — | — | — | — | — | 8:07 | — | — | — | — | — | — | — | 8:05 | — | |
mm | 1 | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | 2 | 3 | 1 | 3 | 6 | — | — | — | — |
Temp °C | 16 | 15 | 15 | 15 | 15 | 15 | 16 | 17 | 16 | 16 | 15 | 16 | 16 | 16 | 16 | 17 | 15 | 15 | 16 | 17 | 18 | 17 | 17 | 17 |
Feels °C | 14 | 11 | 9 | 8 | 9 | 10 | 13 | 15 | 13 | 12 | 11 | 12 | 12 | 11 | 11 | 13 | 12 | 12 | 12 | 11 | 14 | 13 | 12 | 13 |
Swell 1 Height (m) Direction Period (s) | SW 8 | WSW 8 | SW 8 | SW 8 | WSW 9 | SW 9 | WSW 9 | SW 8 | NW 4 | NW 4 | NNW 4 | — | — | — | — | — | W 16 | — | — | — | — | — | — | — |
125 | 140 | 138 | 142 | 138 | 118 | 101 | 72 | 4 | 3 | 2 | — | — | — | — | — | 5 | — | — | — | — | — | — | — | |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | NW 5 | NW 4 | — | NW 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
— | — | — | — | — | — | 14 | 7 | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Wind waves Height (m) Direction Period (s) | — | W 4 | NW 4 | NW 5 | NW 5 | NW 5 | W 9 | — | WSW 8 | SW 8 | SW 7 | SW 4 | SW 5 | SW 5 | SW 5 | SW 5 | WSW 5 | SW 5 | SW 6 | SW 6 | SW 6 | SW 7 | SW 6 | SW 7 |
— | 21 | 36 | 96 | 83 | 35 | 106 | — | 43 | 28 | 37 | 23 | 47 | 49 | 55 | 66 | 44 | 66 | 155 | 172 | 167 | 171 | 219 | 325 | |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 3 | 3 | 511 | 494 | 254 | 3 | 3 | 3 | 3 | 201 | 141 | 236 | 267 | 303 | 247 | 229 | 229 | 296 | 247 | 312 | 336 | 337 | 267 | 262 |
Best forecast wave conditions in Lleyn Peninsula | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)













